William B Roseville , CA October 30, 2018 Appliance: KitchenAid Refrigerator KSCS25INBL02 Kitchenaid Refrigerator Kscs25inbl02: Interior light not working in the top part of the frig, but lights working on the bottom portion. How to replace Light Bulb Socket. New light bulb sockets 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes